E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Exericise induced bronchoconstriction |
Inspanningsgeïnduceerde luchtwegobstructie |
|
E.1.1.1 | Medical condition in easily understood language |
Exercise induced asthma |
Inspanningsastma |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Respiratory Tract Diseases [C08] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Analyze the effect of nebulized salbutamol or isotonic saline on exercise induced airway obstruction measured with a fall in FEV1 in elite speed skaters |
Het effect van salbutamol en isotoon zout op inspanningsgeïnduceerde luchtwegobstructie, gemeten met een daling in de FEV1 bij toptopschaatsers |
|
E.2.2 | Secondary objectives of the trial |
- Analyze the effect of nebulized salbutamol or isotonic saline on exercise induced airway obstruction measured with a change in airway resistance in elite speed skaters
- Analyze the effect of nebulized salbutamol or isotonic saline on exercise induced airway obstruction measured with a change in airway reactance in elite speed skaters
- Analyze the effect of nebulized salbutamol or isotonic saline on exercise induced airway obstruction measured with a change in EMG activity or breathing musclesin elite speed skaters |
-Het effect van salbutamol en isotoon zout op inspanningsgeïnduceerde luchtwegobstructie, gemeten met een verandering van weerstand bij toptopschaatsers
-Het effect van salbutamol en isotoon zout op inspanningsgeïnduceerde luchtwegobstructie, gemeten met een verandering van reactantie bij toptopschaatsers
Het effect van salbutamol en isotoon zout op inspanningsgeïnduceerde luchtwegobstructie, gemeten met een verandering van EMG activiteit bij toptopschaatsers |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Age between 18 and 35 years
- Elite speedskater
- Women: 1500 meter time below 2:10:00 minutes.
- Men: 1500 meter time below 02:05:00 minutes.
These times should have been skated within a period of two months prior to study measurement.
- Able to undergo reproducible lung function tests. Three-fold repetition of FEV1 measurements, with a mutual difference of maximal 5 percent |
- Leeftijd tussen de 18 en 35 jaar
- Topschaatser
- Vrouwen: 1500 meter in 2:10:00 minuten, <2 maanden van de test.
- Mannen: 1500 meter in 02:05:00 minuten, <2 maanden van de test.
- Longfunctie kunnen blazen, (3 maal FEV1 <5%) |
|
E.4 | Principal exclusion criteria |
- Ultrasonic nebulization within 48 hours before testing.
- FEV1 <70% of predicted.
- Respiratory infection within 6 weeks prior to examination for which medication should be prescribed.
|
- Ultrasone verneveling <48 uur van de test
- FEV1 <70% van voorspeld.
- Luchtweg infectie <6 weken voor de test, waarvoor medicatie moet worden voorgeschreven |
|
E.5 End points |
E.5.1 | Primary end point(s) |
-The difference in exercise induced fall of FEV1 after four minutes of treatment with salbutamol compared to nebulization with with salbutamol, 0.9% NaCl and controls. |
- het verschil in daling van de FEV1 na 4 minuten behandeling met salbutamol (1mg), isotoon zout, of geen verneveling |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
10, 15 and 30 minutes after exercise |
10, 15 en 30 minuten na inspanning |
|
E.5.2 | Secondary end point(s) |
-Analyze the change in exercise induced increase of airway resistance, measured with the FOT, after four minutes of treatment with salbutamol, 0.9% NaCl and controls.
-Analyze the change in exercise induced decrease of airway reactance, measured with the FOT, after four minutes of treatment with salbutamol, 0.9% NaCl and controls.
-Analyzing the change in the electro physiological activity of the respiratory muscle system, measured with EMG with Salbutamol ,isotonic saline and controls.
|
- Het verschil in verandering van weerstand tussen de onderzoeksgroepen
- Het verschil in verandering van reactantie tussen de onderzoeksgroepen
- Het verschil in verandering van EMG activiteit tussen de onderzoeksgroepen
|
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
10, 15 and 30 minutes after exercise |
10, 15 en 30 minuten na inspanning |
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | Yes |
E.6.2 | Prophylaxis | Yes |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
Contyrole groep zonder interventie |
Control gorup without intervention |
|
E.8.2.4 | Number of treatment arms in the trial | 3 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
the end of the trial is after the elite skater is informed of his/her test outcome. |
het einde van de trial is als de topschaatser is geïnformeerd over de uitslag van diens test. |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 0 |
E.8.9.1 | In the Member State concerned months | 1 |
E.8.9.1 | In the Member State concerned days | 0 |